Windows Live

Microsoft Security Essentials

Change Language:
Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software.

Popular Downloads

    • 01

      Microsoft Security Essentials

      Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software.

    • 03

      .NET Rocks! - Steven Lees on FeedSync

      Carl and Richard talk feed synchronization with Steven Lees from Microsoft about FeedSync, a Windows Live Dev service for synchronizing RSS and Atom feeds, and FeedSync feeds across the web.

Loading your results, please wait...

Free PC updates

  • Security patches
  • Software updates
  • Service packs
  • Hardware drivers